Home
Class 12
PHYSICS
A closed coil consists of 500 turns has ...

A closed coil consists of 500 turns has area `4 cm^2` and a resistance of `50 Omega`. The coil is kept with its plane perpendicular to a uniform magnetic field of `0.2 Wb/m^2`. Calculate the amount charge flowing through the coil if it is rotated through `180^@`

A

`1.6xx10^(-3)C`

B

`16xx10^(-3)C`

C

`0.16xx10^(-3)C`

D

`160xx10^(-3)C`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-3 (Assertion & Reasoning)|18 Videos

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4| Section A (Prevous Years Problems )|28 Videos

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-1|72 Videos

  • Electrical Instrument

    MOTION|Exercise EXERCISE -3|16 Videos

  • ELECTRO MAGNETIC WAVES

    MOTION|Exercise EXERCISE - 3 (SECTION - B)|8 Videos

Similar Questions

Explore conceptually related problems

A square coil of 10^(-2) m^(2) area is placed perpenducular to a uniform magnetic field of 10^(3) Wb//m^(2) . What is magnetic flux through the coil?

A closed circular loop of 200 turns of mean diameter 50 cm & having a total resistance of 10 Omega is placed with its plane at right angle to a magnetic field of strength 10^(-2) Tesla.Calculate the quantity of electric charge passed through it when the coil is turned through 180^(@) about an axis in its plane.

A coil having 50 turns and an area of 800 cm^(2) is held with its plane perpendicular to uniform magnetic field of induction 5xx10^(-5)Wb//m^(2) . If it is pulled out of the field in 2 second, then the emf induced in the coil will be

A circular coil of 200 turns and mean radius 30 cm is placed in a uniform magnetic field of induction 0.02 T and is free to rotate about an axis coinciding with its own plane, but perpendicular to the uniform magnetic field. The coil is in closed circuit having a total resistance of 50 Omega . if the plane of the coil is initially perpendicular to the field find the charge flown through the circuit, when the coil is rotated through (i) 60^@ (ii) 180^@ .

2A closed coil of copper whose area is 1m xx 1m is free to rotate about an axis. The coil is placed perpendicular to a magnetic field of 0.10 Wb//m^(2) . It is rotated through 180^(@) in 0.01 second. Then (The resistance of the coil is 2.0Omega )

A coil has 50 turns and its area is 500 cm^(2) . It is rotating at the rate of 50 r.p.s. at right angles to a magnetic field of 0.5 Wb//m^(2) . Calculate the maximum value of electromotive force developed across the ends of the coil.

A rectangular coil of 100 turns has length 5 cm and width 4 cm. it is placed with its plane parallel to a uniform magnetic field and a current of 2 A is sent through the coil. Find the magnitude of the magnetic field B, if the torque acting on the coil is 0.2 Nm^(-1).

A current coil of total resistance R is kept inside magnetic field. How is the change in magnetic flux through the coil related to the amount of charge passing through the coil?

MOTION-ELECTRO MAGNETIC INDUCTION-EXERCISE-2 (Objective problems (Analytical questions))
  1. A conducting rod rotates with a constant angular velocity 'omega' abou...

    Text Solution

    |

  2. Two long parallel metallic wires with a resistance 'R' from a horizont...

    Text Solution

    |

  3. A bar magnet is dropped between a current carrying coil. What would be...

    Text Solution

    |

  4. A closed coil consists of 500 turns has area 4 cm^2 and a resistance o...

    Text Solution

    |

  5. A coil of area 500cm^(2) and having 1000 turns is held perpendicular t...

    Text Solution

    |

  6. A current time curve is shown in the following diagrame . This type of...

    Text Solution

    |

  7. The armature coil of dynamo is in motion . The generated induced emf v...

    Text Solution

    |

  8. A simple electric motor has an armature resistance of 1Omega and runs ...

    Text Solution

    |

  9. A d.c motor has internal resistance 4 ohms . It is operated at 220 vol...

    Text Solution

    |

  10. An electric motor runs on a d.c. source of emf epsilon and internal re...

    Text Solution

    |

  11. Transformer is used to

    Text Solution

    |

  12. Large transformers, when used for some time, become hot and are cooled...

    Text Solution

    |

  13. For same rating which have the maximum efficiency from following :-

    Text Solution

    |

  14. 2.2 किलोवाट शक्ति को 20 ओम वाली लाइन से 44000 वोल्ट पर संचारित किया जा...

    Text Solution

    |

  15. If a transformer have turn tatio 5, frequency 50 Hz root mean square v...

    Text Solution

    |

  16. plane of eddy currents make an angle with the plane of magnetic lines ...

    Text Solution

    |

  17. Eddy currents do not produce

    Text Solution

    |

  18. When a metallic sphere is moved in a magnetic field , it gets heated d...

    Text Solution

    |

  19. Two copper cubes A and B composed of identical insulated plates are su...

    Text Solution

    |

  20. A bar magnet is dropped into a vertical copper tube, considering the a...

    Text Solution

    |